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Gilbert Geosynthetics specialise in supplying Geosynthetic Materials to the construction & landscaping industries. 

About us

Gilbert Geosynthetics are suppliers of Geosynthetic Materials to the Landscaping, Building and Construction industry. We have experience in all aspects of geosynthetic materials and products and in their applications, but more recently are focusing on our GeoRock Retaining Wall System. The company owner, Lionel Gilbert, has local and European experience in this field since 1988.

Nestled along the picturesque KZN North Coast in the serene enclave of Salt Rock, you’ll find Gilbert Geosynthetics. Our strategic location provides us with a unique vantage point to serve the civil and construction industry not only locally but also regionally, as we play a pivotal role in addressing geosynthetic material needs in this beautiful coastal region.

Our Products

At Gilbert Geosynthetics, we take immense pride in offering a range of high-quality GeoRock Sand Bags that cater to the unique requirements of the construction and landscaping industries.

GeoRock Construction Sand Bags:
Designed for the toughest construction challenges, our GeoRock construction bags are a testament to our commitment to quality and innovation. These robust bags are ready to contain and support various construction applications. With GeoRock construction bags, you can trust that your project will stand the testament of time.

Typical Uses

Erosion Control: GeoRock Bags are used to prevent soil erosion on slopes, foot paths, and streams.

Drainage:: GeoRock dished and trapezoidal channels allow water to flow while preventing soil erosion and are easy to install.

GeoRock Retaining Walls: Proven to be the most economical retaining wall system when compared to concrete, incremental block and gabion walls. 

Landscaping: Garden terracing and retaining walls.

Gilbert Geosynthetics

Our passion for what we do transfers into our services


Positive Feedback

Our clients consistently provide positive feedback on our services, reflecting our commitment to excellence.


Projects completed

We take pride in our track record of completing projects to the satisfaction of our clients.


Certified Member 

Client Reviews

Our clients’ reviews serve as a testament to their satisfaction with our services, reflecting the quality and dedication we bring to every project.

“It was our pleasure doing business with Gilbert Geos.  Their service and advice on the most suitable products to use, as well as quick delivery to our farm, was 0ne hundred and ten percent. Highly recommended”  

Dewet Van Reenen
Bergville, KZN

This message serves to express our gratitude towards the service and technical after-sales service by Gilbert Geosynthetics.  The service is seamless and the materials provided are of the best quality that beat the industry norms, our turnaround time was fantastic.  The promptness to quotations during tenders has also not gone unnoticed. 

Leon Klusener
Klus Civils
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School Road, Salt Rock, KZN, 4390